a-ii aaaa aaai aaar aaas aaii aais aara aari aars aart aasa aasi aass aast aata aatt aiai aias aiia aiir aira airi airs airt airx aisa aisi aisr aist aita aiti aitr aits aitt aixa aixi arai arar aras arat arax aria arii aris arit arr- arra arri arrr arrs arrt ars- arsa arsi arst arta arti artr arts artx asaa asai asar asas asat asia asii asir asis asit asix asra asrs assa assi assr asss asst asta asti astr asts at-t at-x ataa atai atar atas atat atax atia atis atit atra atri atrx atsi atst atta atti attr atts axar axat axi- axia axis iaaa iaai iaas iaat iaia iais iara iars iart iasa iasi iasr iata iati iias iiii iiis iiit iira iirs iisi iisr iist iita iitr iitt irai irar iras iri- iria iris irix irra irri irrs irsa irta irti irts is-a isai isar isas isat isia isis isit isra isri issa issi issr isss ista isti istr ists itaa itai itar itas itat itia itis itra itri itrs itsa itsi itta ixia ixxi raas raat raia raii rair rais rait raix rara rari rars rasa rasi rass rast rata rati rats ratt raxa raxi riaa riai rias riat riia riis riri rirs risa risi riss rist rita riti rits ritt rras rrat rrrr rsaa rsai rsis rssa rsts rtai rtas rtss rtts s-ii sa-x saar saas saat saia sair sais sait saix sara sari sarr sars sart sasa sasi sass sast sata sati satr sats satt saxa saxi saxt siaa siai sias siat siit sira siri sirr sirs sirt sisa sisi siss sist sit- sita siti sits sitt sixa sixt sixx sras sris srta srtr ssaa ssas ssat ssis ssit ssra ssri ssrs sssa sssi ssss ssta ssts stai star stas stat stax stia stir stis stit stix stra stri strs stsi stss sttr taa- taar taas taat taia tair tais tait taix tara tari tarr tars tart tasa tasi tasr tass tast tata tati tatr tats tatt tax- taxa taxi taxt tiaa tiar tias tiax tiit tira tiri tirr tirs tisa tisi tiss tist tita titi tits titt tixt traa trai tras trat trax tri- tria tris trit trix trra trsi trst trtr tsaa tsai tsar tsat tsia tsis tsix tssa tssi tssr tsst tsts ttss tttt txaa txii txtr xaar xait xara xats xiii xisi xist xita xixi xtar xtra xtsr xxii xxix xxxi xxxx